19628190

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 52819200

約数和(自身を除く): 33191010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 139, 270, 278, 417, 523, 695, 834, 1046, 1251, 1390, 1569, 2085, 2502, 2615, 3138, 3753, 4170, 4707, 5230, 6255, 7506, 7845, 9414, 12510, 14121, 15690, 18765, 23535, 28242, 37530, 47070, 70605, 72697, 141210, 145394, 218091, 363485, 436182, 654273, 726970, 1090455, 1308546, 1962819, 2180910, 3271365, 3925638, 6542730, 9814095, 19628190]

約数ペア:

[(1, 19628190), (2, 9814095), (3, 6542730), (5, 3925638), (6, 3271365), (9, 2180910), (10, 1962819), (15, 1308546), (18, 1090455), (27, 726970), (30, 654273), (45, 436182), (54, 363485), (90, 218091), (135, 145394), (139, 141210), (270, 72697), (278, 70605), (417, 47070), (523, 37530), (695, 28242), (834, 23535), (1046, 18765), (1251, 15690), (1390, 14121), (1569, 12510), (2085, 9414), (2502, 7845), (2615, 7506), (3138, 6255), (3753, 5230), (4170, 4707)]